.spinner {
          left:50%;
          margin-left:-10px;
          width: 20px;
          height: 20px;
          position: relative;
        }

        .container1 > div, .container2 > div, .container3 > div {
          width: 6px;
          height: 6px;
          /*background-color: #333;*/
          background-color: gray;

          border-radius: 100%;
          position: absolute;
          -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
          animation: bouncedelay 1.2s infinite ease-in-out;
          -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
        }

        .spinner .spinner-container {
          position: absolute;
          width: 100%;
          height: 100%;
        }

        .container2 {
          -webkit-transform: rotateZ(45deg);
          transform: rotateZ(45deg);
        }

        .container3 {
          -webkit-transform: rotateZ(90deg);
          transform: rotateZ(90deg);
        }

        .circle1 { top: 0; left: 0; }
        .circle2 { top: 0; right: 0; }
        .circle3 { right: 0; bottom: 0; }
        .circle4 { left: 0; bottom: 0; }

        .container2 .circle1 {
          -webkit-animation-delay: -1.1s;
          animation-delay: -1.1s;
        }

        .container3 .circle1 {
        -webkit-animation-delay: -1.0s;
        animation-delay: -1.0s;
        }

        .container1 .circle2 {
        -webkit-animation-delay: -0.9s;
        animation-delay: -0.9s;
        }

        .container2 .circle2 {
        -webkit-animation-delay: -0.8s;
        animation-delay: -0.8s;
        }

        .container3 .circle2 {
        -webkit-animation-delay: -0.7s;
        animation-delay: -0.7s;
        }

        .container1 .circle3 {
        -webkit-animation-delay: -0.6s;
        animation-delay: -0.6s;
        }

        .container2 .circle3 {
        -webkit-animation-delay: -0.5s;
        animation-delay: -0.5s;
        }

        .container3 .circle3 {
        -webkit-animation-delay: -0.4s;
        animation-delay: -0.4s;
        }

        .container1 .circle4 {
        -webkit-animation-delay: -0.3s;
        animation-delay: -0.3s;
        }

        .container2 .circle4 {
        -webkit-animation-delay: -0.2s;
        animation-delay: -0.2s;
        }

        .container3 .circle4 {
        -webkit-animation-delay: -0.1s;
        animation-delay: -0.1s;
        }

        @-webkit-keyframes bouncedelay {
        0%, 80%, 100% { -webkit-transform: scale(0.0) }
        40% { -webkit-transform: scale(1.0) }
        }

        @keyframes bouncedelay {
        0%, 80%, 100% {
            transform: scale(0.0);
            -webkit-transform: scale(0.0);
        } 40% {
            transform: scale(1.0);
            -webkit-transform: scale(1.0);
        }
        }